CN210938180U

CN210938180U - Adjustable tensioning clamp

Info

Publication number: CN210938180U
Application number: CN201921632938.XU
Authority: CN
Inventors: 胡文正
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-28
Filing date: 2019-09-28
Publication date: 2020-07-07
Anticipated expiration: 2029-09-28

Abstract

The utility model belongs to the technical field of turning attachment, concretely relates to tensioning anchor clamps with adjustable. This taut anchor clamps with adjustable, including the mount pad that is used for installing the work piece and wear to locate the push rod of mount pad, the mount pad includes chassis, adjustment disk, the taut dish of being connected with the push rod, seted up a plurality of adjustment tank on the adjustment disk, the slidable is equipped with the regulating block in the adjustment tank, and the shaping of regulating block side has the meshing tooth, be equipped with the meshing tooth piece on the adjustment disk, the regulating block meshes the formation fastening in the adjustment tank with the meshing tooth piece mutually, the guide bar passes regulating block and clamp plate fixed connection. This taut anchor clamps of lead screw with adjustable through set up the tooth-like adjusting part of meshing that is used for adjusting the clamping size on the (holding) chuck, solved and difficultly led to the not high problem of machining precision to the special-shaped workpiece clamping.

Description

Adjustable tensioning clamp

Technical Field

The utility model belongs to the technical field of turning attachment, concretely relates to tensioning anchor clamps with adjustable.

Background

At present, a lathe generally clamps and fastens a workpiece through a three-jaw chuck in the process of machining the workpiece, but the conventional clamping jaw can only machine the workpiece in a regular shape, and a user needs to clamp and fasten the workpiece manually, so that the operation convenience of the user is greatly influenced, and the problem that the workpiece is separated from the clamping jaw due to carelessness or weak fastening force of the user is very easy to occur;

the operation safety in the user's course of working has been influenced, and some conventional automatic clamping jaw then use on the lathe of very difficult installation, especially to processing opposite sex work piece, not only influence machining precision and user's operation convenience, and this type of automatic clamping jaw's power unit and fixture damage appear very easily, are unfavorable for the user to debugging the change to the clamping jaw, have influenced the user and to automatic clamping jaw's result of use, have also reduced the life that the user operated and used.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a tensioning anchor clamps with adjustable through set up the tooth-like adjusting part of meshing that is used for adjusting the clamping size on the (holding) chuck, solved the difficult problem that leads to the machining precision is not high to the special-shaped workpiece clamping.

The purpose of the utility model is realized like this: an adjustable tensioning clamp comprises a mounting seat for mounting a workpiece and a push rod penetrating through the mounting seat, wherein the mounting seat comprises a base plate, an adjusting plate and a tensioning plate which are connected with the push rod, a plurality of guide rods are arranged on the end face of the tensioning plate, a pressing plate for clamping the workpiece is fixedly arranged at one end of each guide rod, and the tensioning plate moves between the base plate and the adjusting plate and pushes the pressing plate to move to form tensioning fixation on the workpiece through the push rod;

a plurality of adjusting grooves are formed in the adjusting disc, adjusting blocks are slidably arranged in the adjusting grooves, meshing teeth are formed on the side edges of the adjusting blocks, meshing tooth blocks are arranged on the adjusting disc, the adjusting blocks and the meshing tooth blocks are meshed to form fastening in the adjusting grooves, and the guide rods penetrate through the adjusting blocks and are fixedly connected with the pressing plate.

Preferably, the regulating block up end is seted up with the first guiding hole of guide bar complex, and the guide bar passes first guiding hole, the regulating block lateral wall is seted up the second guiding hole that communicates with first guiding hole, wears to be equipped with the guide post in the second guiding hole, the shaping has the guide way on the guide bar, and the guide post slidable sets up on the guide way, the rotatory taut dish of drive of push rod makes the guide bar rotatory drive clamp plate rotate to form the taut fixed to the machined part through changing the sliding position of guide post on the guide way.

Preferably, the guide groove is Z-shaped.

Preferably, the upper end face of the adjusting disc is formed with an engaging tooth groove communicated with the adjusting groove, and the engaging tooth block is arranged on the engaging tooth groove through a fastener.

Preferably, the two sides of the adjusting block are concavely formed with first limiting sliding grooves, the side walls of the adjusting grooves are formed with limiting sliding blocks matched with the first limiting sliding grooves, and the limiting sliding blocks are inserted into the first limiting sliding grooves to enable the adjusting block to form limiting in the adjusting grooves.

Preferably, a plurality of second limiting sliding grooves are formed in the tensioning disc, limiting sliding parts are arranged below the guide rods and can be slidably arranged in the second limiting sliding grooves.

Compared with the prior art, the utility model outstanding and profitable technological effect is: the stability in the adjusting process is ensured by the limiting arrangement of the second limiting sliding groove and the first limiting sliding groove, and the stability after the adjusting block is moved is greatly improved by a fixing mode of meshing the two meshing teeth; the push rod is only required to drive the tensioning disc when the workpiece is clamped after adjustment, the guide post is rotated to drive the pressing plate to rotate to form tensioning fixation for the workpiece by changing the sliding position of the guide post on the guide groove, the structure of the guide rod is reasonably utilized for transmission in a transmission mode, labor is saved in clamping, the assembly is convenient, the clamping stability is greatly improved, and the workpiece clamping efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a second schematic structural diagram in the embodiment of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic structural diagram of a mounting seat in an embodiment of the present invention.

Fig. 5 is an exploded view of the mounting base in the embodiment of the present invention.

Fig. 6 is a partial schematic view of an adjustment assembly in an embodiment of the invention.

Fig. 7 is a schematic view of the fitting state of the guide rod and the guide post in the embodiment of the present invention.

Fig. 8 is a schematic view of an adjusting block according to an embodiment of the present invention.

Reference numerals: 1-mounting a base; 2-a push rod; 3-a chassis; 4-adjusting the disc; 5-tensioning disc; 6-a guide rod; 7-pressing a plate; 8-an adjusting tank; 9-a regulating block; 10-meshing tooth blocks; 11-a first pilot hole; 12-a second pilot hole; 13-a guide post; 14-engaging tooth grooves; 15-a first limiting chute; 16-a limiting slide block; 17-a second limiting chute; 18-a limit slider; 19-a guide groove; 20-fixing the disc cover; 21-a limiting groove; 22-fixed column.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying drawings.

The first embodiment is as follows: as shown in fig. 1-8, an adjustable tensioning clamp comprises a mounting seat 1 for mounting a workpiece and a push rod 2 penetrating through the mounting seat 1, wherein the mounting seat 1 comprises a base plate 3 connected with the push rod 2, an adjusting plate 4 and a tensioning plate 5 in meshing transmission with the push rod 2, when the push rod 2 rotates, the tensioning plate 5 can be driven by the push rod 2 to move left and right between the base plate 3 and the adjusting plate 4, three guide rods 6 are arranged on the end surface of the tensioning plate 5, one end of each guide rod 6 is fixedly provided with a pressing plate 7 for clamping the workpiece, and the pressing plate 7 is rectangular; three second limiting sliding grooves 17 are formed in the tensioning disc 5, limiting sliding parts 18 are arranged below the guide rods 6, and the limiting sliding parts 18 can be slidably arranged in the second limiting sliding grooves 17 to form limiting of the guide rods 6 on the tensioning disc 5;

the adjustable mechanism is characterized in that the adjusting disc 4 is provided with three adjusting grooves 8, a fixed disc cover 20 is arranged above the adjusting disc 4, the fixed disc cover 20 is provided with three limiting grooves 21 matched with the guide rods 6 in diameter, the groove length of the adjusting grooves 8 corresponds to the groove length of the limiting grooves 21, and the guide rods 6 form sliding limiting in the limiting grooves 21. An adjusting block 9 matched with the adjusting groove 8 in size is slidably arranged in the adjusting groove 8, first limiting sliding grooves 15 are concavely formed in two side faces of the adjusting block 9, limiting sliding blocks 16 matched with the first limiting sliding grooves 15 in size are formed in the side walls of the adjusting groove 8, and the adjusting block 9 is enabled to form limiting in the adjusting groove 8 by inserting the limiting sliding blocks 16 along the first limiting sliding grooves 15;

a row of meshing teeth are formed in one side edge of the adjusting block 9, a meshing tooth groove 14 is formed in the upper end face of the adjusting disc 4 close to one side of the adjusting groove 8, the meshing tooth groove 14 is communicated with the adjusting groove 8, a meshing tooth block 10 is installed on the meshing tooth groove 14, the adjusting block 9 slides to a specified position, the meshing teeth of the adjusting block 9 and the meshing teeth of the meshing tooth block 10 are meshed with each other to form fastening, the meshing tooth block 10 is screwed and fixed on the meshing tooth groove 14 through a screw, and then adjusting and fixing of the adjusting block 9 are completed.

The guide rod 6 penetrates through the adjusting block 9 and the pressing plate 7 to be fixedly connected, when a workpiece is too large, the adjusting block 9 only needs to be moved towards the outer side along the first limiting sliding groove 15, then the meshing tooth block 10 is installed on the meshing tooth groove 14, meshing teeth are meshed with each other, the meshing tooth block 10 is fastened through screws, the stability in the adjusting process is guaranteed through the limiting arrangement of the second limiting sliding groove 17 and the first limiting sliding groove 15, and the stability after the adjusting block 9 is moved is greatly improved through the fixing mode of meshing of the two meshing teeth.

In order to match the use mode of the meshing tooth type adjusting component, a novel transmission mode is combined with the meshing tooth type adjusting component for use, and the use mode is as follows: a first guide hole 11 matched with the guide rod 6 in size is formed in the upper end face of the adjusting block 9, and the guide rod 6 penetrates through the first guide hole 11; the outer wall of the adjusting block 9 is provided with a second guide hole 12 communicated with the first guide hole 11, a guide post 13 penetrates through the second guide hole 12, a guide groove 19 is formed in the guide rod 6, the guide groove 19 is Z-shaped, the guide post 13 is slidably arranged on the guide groove 19, the push rod 2 rotates to drive the tensioning disc 5, and the guide rod 6 rotates to drive the pressing plate 7 to rotate to tension and fix a workpiece by changing the sliding position of the guide post 13 on the guide groove 19.

When a workpiece is to be clamped, the guide post 13 is positioned at the upper right of the guide groove 19, after the workpiece is placed, the push rod 2 rotates, the tensioning disc 5 moves backwards and simultaneously drives the guide rod 6 to move backwards, at this time, due to the arrangement of the guide post 13, as shown in fig. 7, the guide post 13 moves to the lower left of the guide groove 19 along with the guide groove 19, the guide rod 6 rotates, the pressing plate 7 is driven to rotate, the pressing plate 7 can abut against the workpiece, and the process enables the guide rod 6 to have linear motion and rotary motion; when the workpiece needs to be loosened, the push rod 2 rotates, the tensioning disc 5 moves forwards and drives the guide rod 6 to move forwards at the same time, and the pressing plate 7 is driven to enable the pressing plate to loosen the workpiece.

This transmission mode has rationally utilized the structure of guide bar 6 itself to carry out the transmission, also very laborsaving and the equipment is also convenient in the clamping, has improved the stability of its clamping greatly, has promoted the efficiency when clamping the work piece.

Wear to be equipped with fixed column 22 on clamp plate 7, fixed column 22 butt is at regulating block 9 up end, through fixed column 22 auxiliary fixation for it is more firm when taut work piece.

Example two: the utility model provides a tensioning anchor clamps with adjustable including mount pad 1 that is used for installing the work piece and wear to locate push rod 2 of mount pad 1, mount pad 1 includes chassis 3, adjustment disk 4, tension disc 5 be connected with push rod 2, has installed a plurality of guide bar 6 on the tension disc 5 terminal surface, and 6 one end of guide bar have set firmly clamp plate 7 that is used for pressing from both sides tight work piece, and push rod 2 moves between chassis 3 and adjustment disk 4 at tension disc 5, when wanting the clamping work piece, makes push rod 2 directly drive tension disc 5 backward movement through hydraulic drive or air pressure drive, makes clamp plate 7 can support the work piece and form to press from both sides tight dish 5

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. An adjustable tensioning clamp is characterized in that: the device comprises a mounting seat (1) for mounting a workpiece and a push rod (2) penetrating through the mounting seat (1), wherein the mounting seat (1) comprises a base plate (3) connected with the push rod (2), an adjusting plate (4) and a tensioning plate (5), a plurality of guide rods (6) are arranged on the end face of the tensioning plate (5), one end of each guide rod (6) is fixedly provided with a pressing plate (7) for clamping the workpiece, and the tensioning plate (5) moves between the base plate (3) and the adjusting plate (4) through the push rod (2) and pushes the pressing plate (7) to move to form tensioning fixation for the workpiece;

a plurality of adjusting groove (8) have been seted up on adjusting disk (4), but the sliding is equipped with regulating block (9) in adjusting groove (8), and regulating block (9) side shaping has the meshing tooth, be equipped with meshing tooth piece (10) on adjusting disk (4), regulating block (9) and meshing tooth piece (10) mesh mutually and form the fastening in adjusting groove (8), guide bar (6) pass regulating block (9) and clamp plate (7) fixed connection.

2. The adjustable tension clamp of claim 1 further comprising: the utility model discloses a quick-witted, including regulating block (9), guide bar (6), guide post (13), guide bar (6) and adjusting block (9), thereby regulating block (9) up end is seted up and is passed first guiding hole (11) with guide bar (6) complex, and first guiding hole (11) are seted up to regulating block (9) lateral wall, wears to be equipped with guide post (13) in second guiding hole (12), the shaping has guide way (19) on guide bar (6), and guide post (13) slidable sets up on guide way (19), thereby push rod (2) rotatory drive take-up dish (5) make guide bar (6) rotatory drive clamp plate (7) rotate to form the taut fixed to the machined part through changing the sliding position of guide post (13) on guide way (19).

3. The adjustable tension clamp of claim 2 further comprising: the guide groove (19) is Z-shaped.

4. The adjustable tension clamp of claim 1 further comprising: and the upper end surface of the adjusting disc (4) is formed with a meshing tooth groove (14) communicated with the adjusting groove (8), and the meshing tooth block (10) is arranged on the meshing tooth groove (14) through a fastening piece.

5. The adjustable tension clamp of claim 1 further comprising: the first spacing spout (15) of regulating block (9) both sides indent shaping, regulating groove (8) lateral wall shaping have with first spacing spout (15) cooperation spacing slider (16), spacing slider (16) insert first spacing spout (15) in make regulating block (9) form spacingly in regulating groove (8).

6. The adjustable tension clamp of claim 1 further comprising: a plurality of second limiting sliding grooves (17) are formed in the tensioning disc (5), limiting sliding parts (18) are installed below the guide rods (6), and the limiting sliding parts (18) are slidably arranged in the second limiting sliding grooves (17).